U.S. President Barack Obama speaks during a campaign rally in Fairfax

 
U.S. President Barack Obama speaks during a campaign rally in Fairfax
U.S. President Barack Obama speaks during a campaign rally in Fairfax, Virginia October 5, 2012. The unemployment rate dropped to a near four-year low of 7.8 percent in September, a potential boost to President Barack Obama's re-election bid. REUTERS/Kevin Lamarque